The Spa at The Sports Club/LA at the Four Seasons Hotel Miami 1435 Brickell Ave., Miami; fourseasons.comTreatment to try: De-stress Massage and Body Cocoon. This 110-minute indulgence begins with a welcoming foot rub and ends with a head and neck massage and decompression inside a soothing wrap. Size: 3,000 square feet,10 treatment roomsTop product: Epicuren Discovery Acidophilus Probiotic Facial CreamBonus: Check out Bikini Flavors—reversible swimwear designed by one of the spa’s massage therapists and available in the on-site shop.